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Is there any evidence that aggression (as measured by the amount of growling/barking) differs between squirrels...

Is there any evidence that aggression (as measured by the amount of growling/barking) differs between squirrels in urban and rural areas in Georgia? Data are provided in Table 1 below. Table 1: Aggression Scores for Two Groups (Note. Higher scores indicate more aggressive behavior).
Urban: 88,87,55,88,91,79,45,88,86

Rural: 53,82,75,36,86,82,45,81,92,59

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